From d5d6965af7e69367babf40b7fb1d7fca8617cabe Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Thu, 26 Jul 2012 14:56:53 +0000
Subject: dbtool is divided into two parts: DbChecker & appendix for db3x_mmap
 plugin

git-svn-id: http://svn.miranda-ng.org/main/trunk@1195 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/Db3x_mmap/src/dbtool/contactchain.cpp | 99 +++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 plugins/Db3x_mmap/src/dbtool/contactchain.cpp

(limited to 'plugins/Db3x_mmap/src/dbtool/contactchain.cpp')

diff --git a/plugins/Db3x_mmap/src/dbtool/contactchain.cpp b/plugins/Db3x_mmap/src/dbtool/contactchain.cpp
new file mode 100644
index 0000000000..0993371848
--- /dev/null
+++ b/plugins/Db3x_mmap/src/dbtool/contactchain.cpp
@@ -0,0 +1,99 @@
+/*
+Miranda Database Tool
+Copyright (C) 2001-2005  Richard Hughes
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+#include "..\commonheaders.h"
+
+int WorkSettingsChain(DWORD ofsContact,DBContact *dbc,int firstTime);
+int WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime);
+
+static DWORD ofsThisContact,ofsDestPrevContact;
+static DWORD contactCount;
+static DWORD ofsDestThis,ofsNextContact;
+static int phase;
+static DBContact dbc;
+
+int WorkContactChain(int firstTime)
+{
+	int first = 0;
+	int ret;
+
+	if (firstTime) {
+		AddToStatus(STATUS_MESSAGE,TranslateT("Processing contact chain"));
+		ofsDestPrevContact = 0;
+		ofsThisContact = dbhdr.ofsFirstContact;
+		contactCount = 0;
+		dbhdr.ofsFirstContact = 0;
+		phase = 0;
+	}
+
+	switch(phase) {
+	case 0:
+		if (ofsThisContact == 0) {
+LBL_FinishUp:
+			if (contactCount != dbhdr.contactCount)
+				AddToStatus(STATUS_WARNING,TranslateT("Contact count marked wrongly: correcting"));
+			dbhdr.contactCount = contactCount;
+			return ERROR_NO_MORE_ITEMS;
+		}
+		if (!SignatureValid(ofsThisContact,DBCONTACT_SIGNATURE)) {
+			AddToStatus(STATUS_ERROR,TranslateT("Contact chain corrupted, further entries ignored"));
+			goto LBL_FinishUp;
+		}
+		if (ReadSegment(ofsThisContact,&dbc,sizeof(dbc)) != ERROR_SUCCESS)
+			goto LBL_FinishUp;
+
+		ofsNextContact = dbc.ofsNext;
+		dbc.ofsNext = 0;
+		if (!opts.bCheckOnly) {
+			if ((ofsDestThis = WriteSegment(WSOFS_END,&dbc,sizeof(dbc))) == WS_ERROR)
+				return ERROR_HANDLE_DISK_FULL;
+			if (ofsDestPrevContact) 
+				WriteSegment(ofsDestPrevContact+offsetof(DBContact,ofsNext),&ofsDestThis,sizeof(DWORD));
+			else 
+				dbhdr.ofsFirstContact = ofsDestThis;
+		} else 
+			ofsDestThis = ofsThisContact; // needed in event chain worker
+		contactCount++;
+		phase++; first = 1;
+		//fall thru
+	case 1:
+		ret = WorkSettingsChain(ofsDestThis,&dbc,first);
+		if (ret == ERROR_NO_MORE_ITEMS) {
+			phase++; first = 1;
+		}
+		else if (ret) return ret;
+		else break;
+		//fall thru
+	case 2:
+		ret = WorkEventChain(ofsDestThis,&dbc,first);
+		if (ret == ERROR_NO_MORE_ITEMS) {
+			phase++; first = 1;
+		}
+		else if (ret) return ret;
+		else break;
+		//fall thru
+	case 3:
+		if (WriteSegment(ofsDestThis,&dbc,sizeof(DBContact)) == WS_ERROR)
+			return ERROR_HANDLE_DISK_FULL;
+		ofsDestPrevContact = ofsDestThis;
+		ofsThisContact = ofsNextContact;
+		phase = 0;
+		break;
+	}
+	return ERROR_SUCCESS;
+}
-- 
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